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* [Bug pending/37879] New: g++: internal compiler error: Segmentation fault @ 2008-10-21 7:10 gcc-bugzilla at gcc dot gnu dot org 2008-10-27 1:58 ` [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization pinskia at gcc dot gnu dot org ` (8 more replies) 0 siblings, 9 replies; 10+ messages in thread From: gcc-bugzilla at gcc dot gnu dot org @ 2008-10-21 7:10 UTC (permalink / raw) To: gcc-bugs NOTE: Defaulting component because reported component no longer exists ICE: Segmentation fault when compiling with an incorrect used __attribute__((noreturn)); Environment: System: Linux molybdaen 2.6.26-1-686 #1 SMP Wed Sep 10 16:46:13 UTC 2008 i686 GN U/Linux host: i486-pc-linux-gnu build: i486-pc-linux-gnu target: i486-pc-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 4.3.1-9' --with-b ugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran ,objc,obj-c++ --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr /lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-i nclude-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --ena ble-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-targets=all --enable -cld --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --ta rget=i486-linux-gnu Thread model: posix gcc version 4.3.1 (Debian 4.3.1-9) How-To-Repeat: source code (preprocessed file looks the same): inline unsigned f( unsigned i ) { return i; } unsigned i = 23; static inline void g( unsigned ) __attribute__((noreturn)); static inline void g( unsigned j ) { if( j ) asm ("hlt"); } void main_func() asm("main_func") __attribute__((noreturn)); void main_func() { unsigned j; g( f( j = i++ ) ); asm("hlt"); } compile with: g++ -save-temps -m32 -MD -Os -ffunction-sections -fstrict-aliasing -fno-rtti -fno-exceptions -fcheck-new -fshort-enums --param max-inline-insns-single=100 - mregparm=3 -fomit-frame-pointer -minline-all-stringops -nostdinc -ggdb -Wconver sion -Wctor-dtor-privacy -Wdeprecated -Winvalid-offsetof -Wnon-template-friend - Wold-style-cast -Woverloaded-virtual -Wpmf-conversions -Wreorder -Wsign-promo -W strict-null-sentinel -Wsynth -Waggregate-return -Wattributes -Wcast-align -Wdepr ecated-declarations -Wextra -Winline -Wmissing-noreturn -Wpacked -Wshadow -Wstac k-protector -Wstrict-aliasing -Wswitch -Wswitch-default -Wswitch-enum -Wsystem-h eaders -Wunsafe-loop-optimizations -Wvolatile-register-var -Wdisabled-optimizati on -Wformat -Wreturn-type -Wno-non-virtual-dtor -Wuninitialized -c -o segfault.o segfault.cc ------- Comment #1 from benjamin at os dot inf dot tu-dresden dot de 2008-10-21 07:09 ------- Fix: use __attribute__((noreturn)) correctly -- Summary: g++: internal compiler error: Segmentation fault Product: gcc Version: 3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: pending AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: benjamin at os dot inf dot tu-dresden dot de GCC build triplet: i486-pc-linux-gnu GCC host triplet: i486-pc-linux-gnu GCC target triplet: i486-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org @ 2008-10-27 1:58 ` pinskia at gcc dot gnu dot org 2008-10-27 9:33 ` jakub at gcc dot gnu dot org ` (7 subsequent siblings) 8 siblings, 0 replies; 10+ messages in thread From: pinskia at gcc dot gnu dot org @ 2008-10-27 1:58 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from pinskia at gcc dot gnu dot org 2008-10-27 01:57 ------- Confirmed. 1620 if (e->dest != bb->next_bb 1621 && e->dest != EXIT_BLOCK_PTR 1622 && single_succ_p (e->dest) 1623 && single_succ_edge (e->dest)->dest == EXIT_BLOCK_PTR 1624 && gimple_code (last_stmt (e->dest)) == GIMPLE_RETURN) last_stmt (e->dest) is NULL as there are no statements in the basic block. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Component|c++ |tree-optimization Ever Confirmed|0 |1 GCC build triplet|i486-pc-linux-gnu | GCC host triplet|i486-pc-linux-gnu | GCC target triplet|i486-pc-linux-gnu | Keywords| |ice-on-valid-code Last reconfirmed|0000-00-00 00:00:00 |2008-10-27 01:57:26 date| | Summary|g++: internal compiler |[4.3/4.4 Regression] ICE |error: Segmentation fault |with "wrong" use of noreturn | |attribute and optimization Target Milestone|--- |4.3.3 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org 2008-10-27 1:58 ` [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization pinskia at gcc dot gnu dot org @ 2008-10-27 9:33 ` jakub at gcc dot gnu dot org 2008-10-27 20:39 ` jakub at gcc dot gnu dot org ` (6 subsequent siblings) 8 siblings, 0 replies; 10+ messages in thread From: jakub at gcc dot gnu dot org @ 2008-10-27 9:33 UTC (permalink / raw) To: gcc-bugs -- jakub at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |jakub at gcc dot gnu dot org |dot org | URL| |http://gcc.gnu.org/ml/gcc- | |patches/2008- | |10/msg01132.html Status|NEW |ASSIGNED Last reconfirmed|2008-10-27 01:57:26 |2008-10-27 09:32:25 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org 2008-10-27 1:58 ` [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization pinskia at gcc dot gnu dot org 2008-10-27 9:33 ` jakub at gcc dot gnu dot org @ 2008-10-27 20:39 ` jakub at gcc dot gnu dot org 2008-10-27 20:43 ` jakub at gcc dot gnu dot org ` (5 subsequent siblings) 8 siblings, 0 replies; 10+ messages in thread From: jakub at gcc dot gnu dot org @ 2008-10-27 20:39 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from jakub at gcc dot gnu dot org 2008-10-27 20:37 ------- Subject: Bug 37879 Author: jakub Date: Mon Oct 27 20:36:32 2008 New Revision: 141390 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141390 Log: PR tree-optimization/37879 * predict.c (tree_estimate_probability): Check if last_stmt is non-NULL before dereferencing it. * gcc.dg/pr37879.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr37879.c Modified: trunk/gcc/ChangeLog trunk/gcc/predict.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org ` (2 preceding siblings ...) 2008-10-27 20:39 ` jakub at gcc dot gnu dot org @ 2008-10-27 20:43 ` jakub at gcc dot gnu dot org 2008-10-30 6:57 ` cnstar9988 at gmail dot com ` (4 subsequent siblings) 8 siblings, 0 replies; 10+ messages in thread From: jakub at gcc dot gnu dot org @ 2008-10-27 20:43 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from jakub at gcc dot gnu dot org 2008-10-27 20:42 ------- Fixed. -- jakub at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org ` (3 preceding siblings ...) 2008-10-27 20:43 ` jakub at gcc dot gnu dot org @ 2008-10-30 6:57 ` cnstar9988 at gmail dot com 2008-10-30 9:16 ` [Bug tree-optimization/37879] [4.3 " jakub at gcc dot gnu dot org ` (3 subsequent siblings) 8 siblings, 0 replies; 10+ messages in thread From: cnstar9988 at gmail dot com @ 2008-10-30 6:57 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from cnstar9988 at gmail dot com 2008-10-30 06:57 ------- fixed in gcc 4.3 branch? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org ` (4 preceding siblings ...) 2008-10-30 6:57 ` cnstar9988 at gmail dot com @ 2008-10-30 9:16 ` jakub at gcc dot gnu dot org 2008-11-03 11:29 ` jakub at gcc dot gnu dot org ` (2 subsequent siblings) 8 siblings, 0 replies; 10+ messages in thread From: jakub at gcc dot gnu dot org @ 2008-10-30 9:16 UTC (permalink / raw) To: gcc-bugs ------- Comment #6 from jakub at gcc dot gnu dot org 2008-10-30 09:15 ------- Not fixed there yet. -- jakub at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Known to fail| |4.3.2 Known to work| |4.4.0 Resolution|FIXED | Summary|[4.3/4.4 Regression] ICE |[4.3 Regression] ICE with |with "wrong" use of noreturn|"wrong" use of noreturn |attribute and optimization |attribute and optimization http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org ` (5 preceding siblings ...) 2008-10-30 9:16 ` [Bug tree-optimization/37879] [4.3 " jakub at gcc dot gnu dot org @ 2008-11-03 11:29 ` jakub at gcc dot gnu dot org 2008-11-05 20:42 ` jakub at gcc dot gnu dot org 2008-11-05 20:47 ` jakub at gcc dot gnu dot org 8 siblings, 0 replies; 10+ messages in thread From: jakub at gcc dot gnu dot org @ 2008-11-03 11:29 UTC (permalink / raw) To: gcc-bugs -- jakub at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org ` (6 preceding siblings ...) 2008-11-03 11:29 ` jakub at gcc dot gnu dot org @ 2008-11-05 20:42 ` jakub at gcc dot gnu dot org 2008-11-05 20:47 ` jakub at gcc dot gnu dot org 8 siblings, 0 replies; 10+ messages in thread From: jakub at gcc dot gnu dot org @ 2008-11-05 20:42 UTC (permalink / raw) To: gcc-bugs ------- Comment #7 from jakub at gcc dot gnu dot org 2008-11-05 20:41 ------- Subject: Bug 37879 Author: jakub Date: Wed Nov 5 20:39:50 2008 New Revision: 141620 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141620 Log: PR tree-optimization/37879 * predict.c (tree_estimate_probability): Check if last_stmt is non-NULL before dereferencing it. * gcc.dg/pr37879.c: New test. Added: branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr37879.c Modified: branches/gcc-4_3-branch/gcc/ChangeLog branches/gcc-4_3-branch/gcc/predict.c branches/gcc-4_3-branch/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/37879] [4.3 Regression] ICE with "wrong" use of noreturn attribute and optimization 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org ` (7 preceding siblings ...) 2008-11-05 20:42 ` jakub at gcc dot gnu dot org @ 2008-11-05 20:47 ` jakub at gcc dot gnu dot org 8 siblings, 0 replies; 10+ messages in thread From: jakub at gcc dot gnu dot org @ 2008-11-05 20:47 UTC (permalink / raw) To: gcc-bugs ------- Comment #8 from jakub at gcc dot gnu dot org 2008-11-05 20:46 ------- Fixed. -- jakub at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37879 ^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2008-11-05 20:47 UTC | newest] Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2008-10-21 7:10 [Bug pending/37879] New: g++: internal compiler error: Segmentation fault gcc-bugzilla at gcc dot gnu dot org 2008-10-27 1:58 ` [Bug tree-optimization/37879] [4.3/4.4 Regression] ICE with "wrong" use of noreturn attribute and optimization pinskia at gcc dot gnu dot org 2008-10-27 9:33 ` jakub at gcc dot gnu dot org 2008-10-27 20:39 ` jakub at gcc dot gnu dot org 2008-10-27 20:43 ` jakub at gcc dot gnu dot org 2008-10-30 6:57 ` cnstar9988 at gmail dot com 2008-10-30 9:16 ` [Bug tree-optimization/37879] [4.3 " jakub at gcc dot gnu dot org 2008-11-03 11:29 ` jakub at gcc dot gnu dot org 2008-11-05 20:42 ` jakub at gcc dot gnu dot org 2008-11-05 20:47 ` jakub at gcc dot gnu dot org
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